FOUR Connect 4-600129 300A circuit breaker

Waterproof circuit breaker with 50 mm2 hexagon bolt terminals. Cable sleeves included that decrease terminal size to 20 mm2 cable. These breakers are slow ones so they are very suitable for car audio use. Amplifier might need short bursts of a little bit more current than rated. For a short moment, 10% overcurrent does not trigger these breakers. Immediate triggering happens with 30% overcurrent.